October 2019

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NSO-Initial Install

2019-10-31 | No comments

  • Download NSO from Cisco Website
  • Make sure java and python have been install in your server.

Java -version should indicate a java version of “1.7” or higher.Python2 needs to be version 2.7.5 or higher. For Python3, the version needs to be 3.4 or higher.

Install Java

[root@localhost ~]# tar -zxvf jdk-8u202-linux-x64.tar.gz
[root@localhost ~]#  mkdir /usr/java
[root@localhost ~]# mv jdk1.8.0_202/ /usr/java
[root@localhost ~]# vi /etc/profile

export JAVA_HOME=/usr/java/jdk1.8.0_202
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin

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EVPN-PBB EVPN

2019-10-25 | No comments

There are two types of traditional l2vpn, one is point-to-point (VPWS) and the other is point-to-multipoint(VPLS).
For VPLS, EVPN has a corresponding technology PBB-EVPN.
This topic, will intruduction a simple PBB-EVPN configuration.

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EVPN-L3VPN

2019-10-25 | No comments

EVPN means next-generation all-in-one VPN technology that provides a wide of range of services such as E-LAN, E-Line, E-TREE, L3VPN, DCI, DC-Overlay, IRB, …  The following is the mapping between EVPN and traditional VPN technologies.

This topic will introduce EVPN L3VPN.

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How to add License at eXR platform

2019-10-23 | 1 comment

Currently we have two ways to install the license.One is “Traditional Licensing” and the other is “Smart Software Licensing”.But at Cisco eXR platform(64-bit IOS XR), we can only use “Smart Software Licensing”.

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Tags:

Router routing protocol priority

2019-10-14 | 1 comment

Cisco router routing protocol priority

Routing Protocol Priority
DIRECT0
STATIC1
EIGRP Summary5
EBGP20
内部EIGRP90
IGRP100
OSPF110
IS-IS115
RIP120
EGP140
外部EIGRP170
IBGP200
未知255

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IOX Neflow configuration example

2019-10-10 | 1 comment

sampler-map

sampler-map FNF_SAMPLER_MAP
 random 1 out-of 4999

exporter-map

flow exporter-map FNF_EXPORT_MAP
 version v9
  options sampler-table timeout 60
  template timeout 60
 !
 transport udp 20013
 source Loopback0
 destination 10.1.1.1

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SecureCRT和xShell相关配置

2019-10-08 | No comments

记录一下我的CRT的设置。

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CISCO:BGP Best Path Selection Algorithm

2019-10-08 | 2 comments

本文介绍一下思科BGP的13条选路原则。
XR:show bgp ipv4 unicast x.x.x.x/x bestpath-compare

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